The dynamics of perceptual learning: an incremental reweighting model.

@article{Petrov2005TheDO,
  title={The dynamics of perceptual learning: an incremental reweighting model.},
  author={Alexander A. Petrov and Barbara Anne Dosher and Zhong-Lin Lu},
  journal={Psychological review},
  year={2005},
  volume={112 4},
  pages={715-43}
}
The mechanisms of perceptual learning are analyzed theoretically, probed in an orientation-discrimination experiment involving a novel nonstationary context manipulation, and instantiated in a detailed computational model. Two hypotheses are examined: modification of early cortical representations versus task-specific selective reweighting. Representation modification seems neither functionally necessary nor implied by the available psychophysical and physiological evidence. Computer… CONTINUE READING
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